<div class="c-hue {{direction}}">
    <div class="container" v-el:container
      @mousedown="handleMouseDown"
      @touchmove="handleChange"
      @touchstart="handleChange">
      <div class="pointer" :style="{top: pointerTop, left: pointerLeft}">
        <slot><div class="picker"></div></slot>
      </div>  
    </div>
</div>